I wonder if the author really finds having a partner to be necessary. It sounds like this could be substituted with keeping a journal, recording what happens every hour. You'd get the bonus of having a written record of your day.
Seems like a good one though obviously not every psychological trick works on everyone.
When it came time for performance reviews, not only did it make for entertaining reading but it was easy to find all the small improvements they made that normally slip through the cracks.